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Letters to Nature
Nature 226, 61-62 (4 April 1970) | doi:10.1038/226061a0; Received 13 February 1970
Is Magnetic Alignment of Interstellar Dust Really Necessary ?
MARTIN HARWIT*
- Astronomical Institute of the Czechoslovak Academy of Sciences, Prague
- *On leave of absence from Cornell University
Abstract
IN the past twenty years we have become accustomed to the idea of interstellar grains aligned by magnetic fields. This has come about chiefly because there existed no known alternative mechanism which would yield the general alignment parallel to the galactic plane. Although Gold1 suggested that turbulent gas flow could produce alignment in the general sense required, Davis2 later argued that the Gold effect was more likely to operate in unusual conditions because the degree of turbulence required was usually relatively shortlived.
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